Measuring and Process Control Instruments for Industrial and Commercial Use-Namely, Electrical and Electronic Indicators, Measuring Stations Comprising an Electrical or an Electronic Indicator and Selector Switch, Point and Continuous Line Recorders, Electronic Controllers, Electronic Programmers, Thermal and Electronic Feedbacks, Servomotors, Thermostats, Thermocouples, Constant Current Sources, Inductive Signal Transmitters, Compensating Amplifiers, Quantity Meters, Resistance Transmitters,...